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配制一定物质的量浓度的溶液,是高中阶段重要的实验之一,除了要求学生初步学会溶液配制实验技能即配制步骤和仪器的使用方法外,还要能准确地分析一些简单的由实验导致的误差,以利于学生思维能力及分析问题能力的训练和培养.同时由于实验相对安全,是学生进入高中后的第一个对“量”有一定要求的实验,能用于进行简单的化学计算,体会定量研究的方法对研究和学习化学的重要作用.
Preparation of a certain concentration of substance concentration solution is one of the important high school experiments, in addition to require students to initially learn the solution preparation experiment skills that the preparation steps and instruments used, but also be able to accurately analyze some of the simple experiment Error, in order to facilitate students’ thinking skills and ability to analyze the problem of training and training.At the same time as the experiment is relatively safe, is the first student after entering high school “volume ” experiment, can be used for simple chemistry Calculate and appreciate the important role of quantitative research methods in studying and learning chemistry.